There was a cable network called The Puppy Channel that, for 3 years, broadcast only broadcast footage of puppies playing.
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One litter of kittens can be produced by more than one father.
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Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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A group of kittens is called a "kindle".
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